Home / 19,757.64-29,643.30-12,353.34

Finding the Fourth Proportional to 19,757.64, 29,643.30 and 12,353.34

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Solution

The fourth proportional to 19,757.64, 29,643.30 and 12,353.34 is: 18,534.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,757.64 : 29,643.30 = 12,353.34 : x
  2. Step 2: Convert to fraction form
    19,757.64/29,643.30 = 12,353.34/x
  3. Step 3: Cross multiply
    19,757.64x = 29,643.30 × 12,353.34
  4. Step 4: Simplify right side
    19,757.64x = 366,193,763.62
  5. Step 5: Solve for x
    x = 366,193,763.62/19,757.64
  6. Step 6: Final answer
    x = 18,534.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.